CN107755261A - A kind of built-in motor directly drives the powder concentrator of transmission - Google Patents
A kind of built-in motor directly drives the powder concentrator of transmission Download PDFInfo
- Publication number
- CN107755261A CN107755261A CN201711144410.3A CN201711144410A CN107755261A CN 107755261 A CN107755261 A CN 107755261A CN 201711144410 A CN201711144410 A CN 201711144410A CN 107755261 A CN107755261 A CN 107755261A
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- China
- Prior art keywords
- motor
- rotor
- lower case
- upper body
- wind
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
- B07B7/08—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force
- B07B7/083—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force generated by rotating vanes, discs, drums, or brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses the powder concentrator that a kind of built-in motor directly drives transmission, including motor；It is characterized in that：Down, the motor shaft of motor connects the motor shaft vertical of motor with the rotor for producing rotation wind field；The lower surface of upper body connects with the upper surface of lower case；Motor is located in upper body, and rotor is located in lower case；Motor is connected by support frame and the inwall of upper body；Rotor is fixed with multiple rotor blades by Rotor carriage and formed；The motor axis connection of Rotor carriage and motor；Multiple wind blades are provided with the outside of rotor blade；The lateral wall of blanking cone is connected by support tube and the madial wall of lower case；It is the entrance of starting material between the lateral wall of blanking cone and the madial wall of lower case；The upper port of upper body is the outlet of small material；The upper port of blanking cone is the outlet of big material.Equipment and process structure cost can be greatly reduced in the present invention, reduce powder concentrator maintenance frequency, and reduce fan operation power consumption.
Description
Technical field
Patent of the present invention, which is related to, selects powder equipment technical field, is especially applicable to building materials, and electric power, mine is metallurgical, chemical industry,
Built-in motor in the industries such as metallic ore directly drives the powder concentrator of transmission.
Background technology
Material grinding triage techniques has been obtained for being widely applied by development for many years, third generation powder concentrator.It leads
Rotor rotation is utilized to produce eddy flow, when wind, which carries material, passes through eddy flow region, material is in centrifugal force, wind tractive force and gravity
Under effect, the screening of different-grain diameter material is carried out.The less qualified particle diameter material of those centrifugal force then under the draw of wind,
It is brought to outside powder concentrator, is collected with dust-precipitator, and the larger off grade size material of those centrifugal force is then under self gravitation,
From the new mill that drops back, grinding again.It is big by centrifugal force can be come according to the size of rotor speed for control material particle simultaneously
It is small, so as to adjust the material particles of required specification.
Existing third generation powder concentrator pattern is more, and Main change is in the shape of rotor blade and the shape of wind blade.And
The drive part of rotor uses motor connection reductor more, then is connected to rotor by a drive shaft system, so as to drive rotor
Rotation.It is to replace motor and speed reducer using magneto to have some improved structures, passes through a power transmission shaft with magneto
System is connected to rotor, to drive its rotation.Existing powder concentrator drive mechanism is required in electric machine external and upper body, and wind and
The outlet of material needs to draw from upper body side, and this aeration structure can cause larger partial pressure differential, increase blower fan
Power consumption.Meanwhile the drive shaft system set between motor and rotor is, it is necessary to which periodic maintenance, often occurs because processing in use
Bearing damage phenomenon caused by precision or improper use, repair and replacement are frequent, and extreme influence normally produces.
The content of the invention
Frequently, wind and material outlet pressure difference are big to solve drive shaft system maintenance in existing powder concentrator structure for this patent, increase
The problems such as blower fan power consumption, the powder concentrator that a kind of built-in motor directly drives transmission is invented.
This patent is adopted the technical scheme that to solve technical problem present in known technology：
A kind of built-in motor directly drives the powder concentrator of transmission, including motor (3)；The motor shaft vertical of the motor (3) down,
The motor shaft of the motor (3) and rotor (5) connection for producing rotation wind field；At least also include：
The upper body (1) and lower case (7) of hollow cylindrical configuration；The lower surface and bottom of the upper body (1)
The upper surface of housing (7) is fixedly connected by first flange；The upper body (1) and lower case (7) they are to be coaxially disposed, and
Both central shafts are respectively positioned on vertical direction；The motor (3) is located in upper body (1), and the rotor (5) is located at lower case
In body (7)；The motor (3) is connected by support frame (2) with the inwall of upper body (1)；The rotor (5) is by rotor supports
Frame (5a) forms with multiple rotor blades (5b) fixation；Above-mentioned Rotor carriage (5a) passes through second flange and the electricity of motor (3)
Arbor connects；The rotor blade (5b) is set for vertical direction, and multiple rotor blades (5b) are surrounded into Whirl deposite tank field areas；
Multiple wind blades (6) are provided with the outside of rotor blade (5b)；The upper port of the blanking cone (8) is more than lower port
Bore；The lateral wall of the blanking cone (8) is connected by support tube (9) with the madial wall of lower case (7)；The feed cone
It is the entrance of starting material between the lateral wall of body (8) and the madial wall of lower case (7)；The upper end of the upper body (1)
Mouth is the outlet of small material；The upper port of the blanking cone (8) is the outlet of big material.
Further：Above-mentioned wind blade (6) is set for vertical direction, the upper end of each wind blade (6) and first flange
It is fixedly connected, the lower end of each wind blade (6) is connected with the upper end of blanking cone (8).
Further：Sealing ring (4) is provided with inside and outside rotor blade (5b) upper end；Above-mentioned sealing ring (4) with
First flange is fixedly connected.
Further：One kind being shaped as in straight plate shape, L-type shape, U-shaped shape of the rotor blade (5b).
Further：The wind blade (6) is shaped as swash plate shape or N type junction structure.
Further：The motor (3) is speed-adjustable magneto or the asynchronous low frequency electric machine of speed-adjustable.
This patent has the advantages and positive effects of：
1. the present invention drives its rotational structure using motor direct-connected rotor, compared with traditional structure, powder concentrator does not slow down
The part such as machine and drive shaft system, can be greatly reduced weight of equipment and process-cycle, while reduce the height of equipment, after reduction
The cost of continuous process pipe and civil engineering.
2. the outlet of wind of the present invention and material is arranged on the surface of upper body, compared with being set with traditional side, significantly
Partial pressure differential is reduced, reduces blower fan power consumption.
3. a practical powder concentrator structure is simpler, except the conventional maintenance of motor is thought, safeguarded without other transmission classes, greatly
Width reduces overhaul of the equipments number, reduces maintenance cost.
Brief description of the drawings
Fig. 1 is the shaft section figure of the preferred embodiment of the present invention；
In figure：1st, upper body；2nd, support frame；3rd, motor；4th, sealing ring, 5, rotor；6th, wind blade；7th, lower case
Body；8th, blanking cone, 9, support tube；V, wind and flow direction of material；V1, wind and qualified material flow direction, V2, unqualified flow direction of material
Embodiment
For the invention, features and effects of this patent can be further appreciated that, following examples are hereby enumerated, and coordinate accompanying drawing
Describe in detail as follows：
Referring to Fig. 1, a kind of built-in motor directly drives the powder concentrator of transmission, including motor 3；The motor shaft of the motor 3 erects
Directly down, the rotor 5 of the motor shaft of the motor 3 and generation rotation wind field connects；
The upper body 1 and lower case 7 of hollow cylindrical configuration；The lower surface of the upper body 1 and lower case 7
Upper surface is fixedly connected by first flange；The upper body 1 and lower case 7 is are coaxially disposed, and both central shafts
It is respectively positioned on vertical direction；The motor 3 is located in upper body 1, and the rotor 5 is located in lower case 7；The motor 3 is logical
The inwall that support frame 2 is crossed with upper body 1 is connected；The rotor 5 fixed by Rotor carriage 5a and multiple rotor blade 5b and
Into；Above-mentioned Rotor carriage 5a passes through second flange and the motor axis connection of motor 3；The rotor blade 5b sets for vertical direction
Put, multiple rotor blade 5b are surrounded into Whirl deposite tank field areas；Multiple wind blades 6 are provided with the outside of rotor blade 5b；
The upper port of the blanking cone 8 is more than the bore of lower port；The lateral wall of the blanking cone 8 passes through support tube 9 and bottom
The madial wall connection of housing 7；Entering for starting material between the lateral wall of the blanking cone 8 and the madial wall of lower case 7
Mouth (i.e. wind and flow direction of material V in Fig. 1)；The upper port of the upper body 1 for small material outlet (i.e. wind in Fig. 1 with
Qualified material flows to V1)；The upper port of the blanking cone 8 is outlet (the i.e. unqualified flow direction of material in Fig. 1 of big material
V2)。
Above-mentioned wind blade 6 is set for vertical direction, and the upper end of each wind blade 6 is fixedly connected with first flange, often
The lower end of individual wind blade 6 is connected with the upper end of blanking cone 8.
Sealing ring 4 is provided with inside and outside rotor blade 5b upper ends；Above-mentioned sealing ring 4 is fixed with first flange to be connected
Connect.
One kind being shaped as in straight plate shape, L-type shape, U-shaped shape of the rotor blade 5b.
The wind blade 6 is shaped as swash plate shape or N type junction structure.
The motor 3 is speed-adjustable magneto or the asynchronous low frequency electric machine of speed-adjustable.
In above preferred embodiment, electric machine built-in is directly connected in upper body with rotor, drives its rotation.Wind
It is arranged on material outlet directly over upper body.Support frame is fixed with the upper body, is frame structure, for installing
Fixed motor, carries weight and the other performance loads of motor and rotor, upper body is arranged above wind and material goes out
Mouthful.The rotor is made up of Rotor carriage and rotor blade.Adpting flange is provided among Rotor carriage with motor to be connected,
Bottom plate on some is evenly equipped with outer ring, for installing some uniform rotor blades.Rotor blade top both sides are set
Sealing ring is equipped with, prevents material from being flowed out by rotor blade top without screening.It is equal that ring is provided with the outside of the rotor
Some wind blades of cloth, the top of wind blade are fixed in lower case, and the bottom of wind blade is fixed on blanking cone
On, there is a segment distance between wind blade on the outside of rotor.The wind blade is arranged with blanking cone, if passing through the Heavenly Stems and Earthly Branches
Stay tube is fixed in lower case, for collecting the big unqualified material of particle diameter to be dropped between rotor and wind blade, and will
It is directed on mill from newly, again grinding.Equipment and process structure cost can be greatly reduced in this novel powder selector, subtract
Few powder concentrator maintenance frequency, and fan operation power consumption is reduced, there is the huge market space and dissemination.
During work：Lower case is fixed in Vertical Mill on housing, and it is fixed on upper body.Lead in lower case
Cross support tube and be fixed with blanking cone, between blanking cone and lower case, ring is uniformly fixed with some wind blades, uses
Wind and material are directed into caused by rotor rotation in eddy flow region.Support frame is fixed with upper body, it is installed above
Motor, motor output end are joined directly together with rotor, drive its rotation.The both sides of rotor blade are provided with sealing ring.
Adpting flange is provided among Rotor carriage with motor to be connected, bottom plate on some is evenly equipped with outer ring, is used
To install some uniform rotor blades.Rotor blade top both sides are provided with sealing ring, prevent material from passing through rotor leaf
Flowed out without screening on piece top.
The uniform some wind blades of ring are provided with the outside of the rotor, the top of wind blade is fixed on lower case
On body, the bottom of wind blade is fixed in blanking cone, there is a segment distance between wind blade on the outside of rotor.It is described to lead
Air blade is arranged with blanking cone, is fixed on by some support tubes in lower case, for collecting from rotor and wind guide vane
The unqualified powder of big particle diameter to be dropped between piece, and it is directed on mill from newly, again grinding.
The shape of the rotor blade can be straight plate shape, L-type shape, U-shaped shape or other shapes.The wind-guiding
The shape of blade can be swash plate shape, N-type shape or other shapes.The motor is adjustable speed motor, can use permanent magnetism
Motor or asynchronous low frequency electric machine.
The operation principle of this patent
After grinding, under the drive of wind, the material of different-grain diameter is brought into simultaneously on milling equipment for material
In powder concentrator, as shown in the V of Fig. 1 directions.Wind and material pass through wind blade, enter caused by rotor rotation in eddy flow region,
Carry out material screening.The big unqualified material of particle diameter can not be entered in rotor with the wind because centrifugal force is more than the tractive force of wind,
Under self gravitation effect, drop in the feed cone body of lower section, as shown in the V2 of Fig. 1 directions, come back to milling equipment, then wheat-middlings
Mill.The qualified material of small particle is less than the tractive force of wind due to centrifugal force, with entering with the wind in rotor, from top upper body
Outlet outflow, as shown in the V1 of Fig. 1 directions, collected at follow-up dust-precipitator.Such circulation work, by different size particle diameter material
Sorted.
Described above is only the preferred embodiment to this patent, not makees any formal limitation to this patent,
Every technical spirit according to this patent belongs to any simple modification made for any of the above embodiments, equivalent variations and modification
In the range of the art of this patent scheme.
Claims (6)
1. a kind of built-in motor directly drives the powder concentrator of transmission, including motor (3)；It is characterized in that：The motor shaft of the motor (3)
Downwards, rotor (5) connection of the motor shaft of the motor (3) and generation rotation wind field；At least also include：
The upper body (1) and lower case (7) of hollow cylindrical configuration；The lower surface of the upper body (1) and lower case
(7) upper surface is fixedly connected by first flange；The upper body (1) and lower case (7) they are to be coaxially disposed, and both
Central shaft be respectively positioned on vertical direction；The motor (3) is located in upper body (1), and the rotor (5) is located at lower case
(7) in；The motor (3) is connected by support frame (2) with the inwall of upper body (1)；The rotor (5) is by Rotor carriage
(5a) forms with multiple rotor blades (5b) fixation；Above-mentioned Rotor carriage (5a) passes through second flange and the motor of motor (3)
Axis connection；The rotor blade (5b) is set for vertical direction, and multiple rotor blades (5b) are surrounded into Whirl deposite tank field areas；
Multiple wind blades (6) are provided with the outside of rotor blade (5b)；The upper port of the blanking cone (8) is more than the mouth of lower port
Footpath；The lateral wall of the blanking cone (8) is connected by support tube (9) with the madial wall of lower case (7)；The blanking cone
(8) it is the entrance of starting material between lateral wall and the madial wall of lower case (7)；The upper port of the upper body (1)
For the outlet of small material；The upper port of the blanking cone (8) is the outlet of big material.
2. built-in motor according to claim 1 directly drives the powder concentrator of transmission, it is characterised in that：Above-mentioned wind blade (6)
Set for vertical direction, the upper end of each wind blade (6) is fixedly connected with first flange, the lower end of each wind blade (6)
It is connected with the upper end of blanking cone (8).
3. built-in motor according to claim 1 directly drives the powder concentrator of transmission, it is characterised in that：On rotor blade (5b)
Sealing ring (4) is provided with inside and outside end；Above-mentioned sealing ring (4) is fixedly connected with first flange.
4. the built-in motor according to claim any one of 1-3 directly drives the powder concentrator of transmission, it is characterised in that：The rotor
One kind being shaped as in straight plate shape, L-type shape, U-shaped shape of blade (5b).
5. built-in motor according to claim 4 directly drives the powder concentrator of transmission, it is characterised in that：The wind blade (6)
Be shaped as swash plate shape or N type junction structure.
6. built-in motor according to claim 5 directly drives the powder concentrator of transmission, it is characterised in that：The motor (3) is can
Speed governing type magneto or the asynchronous low frequency electric machine of speed-adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711144410.3A CN107755261A (en) | 2017-11-17 | 2017-11-17 | A kind of built-in motor directly drives the powder concentrator of transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711144410.3A CN107755261A (en) | 2017-11-17 | 2017-11-17 | A kind of built-in motor directly drives the powder concentrator of transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107755261A true CN107755261A (en) | 2018-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711144410.3A Pending CN107755261A (en) | 2017-11-17 | 2017-11-17 | A kind of built-in motor directly drives the powder concentrator of transmission |
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| Country | Link |
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| CN (1) | CN107755261A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB874389A (en) * | 1959-03-12 | 1961-08-10 | Bahco Ab | Improvements in centrifugal wind classifiers |
| JP2001129484A (en) * | 2000-10-04 | 2001-05-15 | Ishikawajima Harima Heavy Ind Co Ltd | Rotary classifying machine |
| CN201277325Y (en) * | 2008-10-31 | 2009-07-22 | 中天仕名科技集团有限公司 | Rotor sealing device for high-efficiency powder separator |
| CN202199508U (en) * | 2011-08-10 | 2012-04-25 | 詹爱平 | Rotary coarse coal powder separator with both fixed blades and moving blades |
| CN102527636A (en) * | 2010-12-31 | 2012-07-04 | 北京长峰金鼎科技有限公司 | Vacuum classifier |
| CN203899941U (en) * | 2014-06-10 | 2014-10-29 | 上海建冶路桥机器设备有限公司 | Micronizer analytical engine device |
| CN104646292A (en) * | 2015-02-05 | 2015-05-27 | 武汉三源特种建材有限责任公司 | Powder selecting machine with turbine blade airflow sealing ring |
| CN204866524U (en) * | 2015-07-10 | 2015-12-16 | 中建材（合肥）粉体科技装备有限公司 | Cage modle rotor formula air selection powder machine |
| CN105234080A (en) * | 2015-09-21 | 2016-01-13 | 江苏升辉装备集团股份有限公司 | High-efficiency low-energy-consumption powder concentrator |
| CN208033036U (en) * | 2017-11-17 | 2018-11-02 | 中材（天津）粉体技术装备有限公司 | A kind of built-in motor directly drives the powder concentrator of transmission |
-
2017
- 2017-11-17 CN CN201711144410.3A patent/CN107755261A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB874389A (en) * | 1959-03-12 | 1961-08-10 | Bahco Ab | Improvements in centrifugal wind classifiers |
| JP2001129484A (en) * | 2000-10-04 | 2001-05-15 | Ishikawajima Harima Heavy Ind Co Ltd | Rotary classifying machine |
| CN201277325Y (en) * | 2008-10-31 | 2009-07-22 | 中天仕名科技集团有限公司 | Rotor sealing device for high-efficiency powder separator |
| CN102527636A (en) * | 2010-12-31 | 2012-07-04 | 北京长峰金鼎科技有限公司 | Vacuum classifier |
| CN202199508U (en) * | 2011-08-10 | 2012-04-25 | 詹爱平 | Rotary coarse coal powder separator with both fixed blades and moving blades |
| CN203899941U (en) * | 2014-06-10 | 2014-10-29 | 上海建冶路桥机器设备有限公司 | Micronizer analytical engine device |
| CN104646292A (en) * | 2015-02-05 | 2015-05-27 | 武汉三源特种建材有限责任公司 | Powder selecting machine with turbine blade airflow sealing ring |
| CN204866524U (en) * | 2015-07-10 | 2015-12-16 | 中建材（合肥）粉体科技装备有限公司 | Cage modle rotor formula air selection powder machine |
| CN105234080A (en) * | 2015-09-21 | 2016-01-13 | 江苏升辉装备集团股份有限公司 | High-efficiency low-energy-consumption powder concentrator |
| CN208033036U (en) * | 2017-11-17 | 2018-11-02 | 中材（天津）粉体技术装备有限公司 | A kind of built-in motor directly drives the powder concentrator of transmission |
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